Spray Drying of Coloring Extracts Produced by Fungi Isolated from Brazilian Caves
2020
Patrícia Nirlane da Costa Souza | Dérica Gonçalves Tavares | Cláudia Regina Fernandes Souza | Marcelo Luis Lombardi Martinez | Wanderley Pereira Oliveira | Luís Henrique Souza Guimarães | Patrícia Gomes Cardoso
Abstract Pigments produced by submerged fermentation of three filamentous fungi isolated from Brazilian caves, namely Aspergillus keveii, Penicillium flavigenum, and Epicoccum nigrum, were submitted to spray drying in presence of the adjuvants maltodextrin, modified starch or gum arabic. Yellow fine powders with low moisture content and water activity, and high color retention (> 70%) were successfully generated with a high product recovery ratio (> 50%), independently of the adjuvant used. The dried products have enhanced stability and potential to might be used as a natural colorant in food and pharmaceutical applications.
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